GDC 2011 is over now and presentations start to appear on-line :-)

DICE: http://publications.dice.se/
NVIDIA: http://www.nvidia.com/object/gdc2011.html
AMD: http://developer.amd.com/documentation/presentations/Pages/default.aspx#GDC
INTEL: http://software.intel.com/en-us/articles/intelgdc2011/
Khronos on OpenGL: http://www.khronos.org/library/detail/2011-gdc-opengl

More links can be found on this blog: http://msinilo.pl/blog/?p=724